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Exalted photocatalytic activity of tetragonal BiVO4 by Er 3+ doping through a luminescence cooperative mechanism

AutorObregón, Sergio ; Lee S.W.; Colón, Gerardo
Fecha de publicación2014
EditorRoyal Society of Chemistry (Great Britain)
CitaciónDalton Transactions 43: 311- 316 (2014)
ResumenEr-doped BiVO4 are synthesized by means of a surfactant free microwave assisted hydrothermal method having good photoactivities under sun-like excitation for the degradation of methylene blue. From the structural and morphological characterization, it has been stated that the presence of Er3+ induces a slight stabilization of the tetragonal phase, probably due to its incorporation in the BiVO4 lattice. The best photocatalytic performances were attained for the samples with Er3+ content higher than 3 at%. The occurrence of the Er3+ doped tetragonal BiVO4 clearly induces higher photocatalytic activities. The existence of a luminescence process has been related with the enhanced photoactivity observed. © 2014 The Royal Society of Chemistry.
URIhttp://hdl.handle.net/10261/98266
DOI10.1039/c3dt51923f
Identificadoresdoi: 10.1039/c3dt51923f
issn: 1477-9226
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